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Other Operating Income and Expenses (Tables)
12 Months Ended
Dec. 31, 2025
TextBlock 1 [Abstract]  
Details of Other Operating Income and Expenses
Details of other operating income and expenses for the years ended December 31, 2023, 2024 and 2025 were as follows:
 
(in millions of Won)
  
2023
    
2024
    
2025
 
Other operating income
  
 
          
 
     
Recovery of allowance for other bad debt expenses
  
7,641        18,080        18,513  
Gain on disposals of assets held for sale
     1,312        4,801        53,692  
Gain on disposals of investment
s
in subsidiaries, associates and joint ventures(*1)
     197,088        14,235        47,374  
Gain on disposals of property, plant and equipment
     9,387        26,533        15,792  
Gain on valuation of firm commitment
     11,499        46,918        42,010  
Reversal of other provisions
     8,578        15,834        8,132  
Gain on insurance claim
     13,117        157,552        19,596  
Gain on bargain purchase(*1)
     41,072        —         —   
Gain on disposals of emission rights
     25,998        2        8  
Miscellaneous
i
ncome
     77,946        90,485        94,231  
Others
     8,348        12,665        6,243  
  
 
 
    
 
 
    
 
 
 
  
401,986        387,105        305,591  
  
 
 
    
 
 
    
 
 
 
Other operating expenses
        
Other bad debt expenses
  
(291,340      (68,979      (53,355
Loss on disposals of assets held for sale(*2)
     (103,366      (33,943      (13,104
Loss on disposals of investments in subsidiaries, associates and joint ventures
     (18,843      (73,428      (12,819
Loss on disposals of property, plant and equipment
     (125,823      (85,149      (89,883
 
 
(in millions of Won)
  
2023
    
2024
    
2025
 
Impairment loss on property, plant and equipment
     (275,846      (608,122      (135,653
Impairment loss on intangible assets
     (129,907      (47,993      (51,640
Loss on valuation of firm commitment
     (47,448      (40,383      (28,072
Idle tangible asset expenses
     (3,703      (3,047      (5,517
Increase to provisions
     (38,395      (84,689      (55,637
Donations
     (67,393      (75,261      (90,443
Miscellaneous expenses
     (92,870      (46,233      (81,560 )
Others
     (749      (16,649      (8,891
  
 
 
    
 
 
    
 
 
 
  
(1,195,683      (1,183,876      (626,574 )
  
 
 
    
 
 
    
 
 
 
 
(*1)
During the year ended December 31, 2023, QSONE Co., Ltd., which had been previously classified as an investment in associates was reclassified as consolidated subsidiaries. As a result, the Company recognized
184,556 million of gain on disposals of investment in associates and
41,072 million of gain on bargain purchase.
(*2)
During the year ended December 31, 2023, the Company disposed of
CSP-Compania
Siderurgica do Pecem, which was classified as assets held for sale during the year ended December 31, 2022, and recognized
103,366 million of loss on disposals of assets held for sale. The loss on disposal of assets held for sale recognized as profit or loss includes
102,470 million, which was reclassified from accumulated other comprehensive loss arising from translating the financial statements of foreign operation.